Configure SMTP vs Zoho ZeptoMail (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Zoho ZeptoMail has a higher user rating (5/5 from 4 reviews) while Configure SMTP leads in active installations (7.0K+ vs 5.0K+). Both are free WordPress plugins. Configure SMTP has accumulated 369K+ total downloads while Zoho ZeptoMail has 70K+.
Detailed Comparison
| Metric | Configure SMTP | Zoho ZeptoMail | |
|---|---|---|---|
| Rating | 4.9/5 | ► | 5/5 |
| Total Reviews | 45 | ◄ | 4 |
| Active Installs | 7.0K+ | ◄ | 5.0K+ |
| Total Downloads | 369K+ | ◄ | 70K+ |
| Support Resolution | N/A | 0% | |
| Last Updated | 1 year ago | ► | 2 months ago |
| First Released | 2009 | 2020 | |
| Age | 17 years | 6 years | |
| WP Requires | 5.5+ | 4.8+ | |
| PHP Requires | false+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 3.5 | 3.3.3 |
Rating Breakdown
Configure SMTP
Zoho ZeptoMail
Download Trends
Over the past 30 days, Configure SMTP averaged approximately 16 daily downloads while Zoho ZeptoMail averaged 33.
Recent Reviews
Configure SMTP Reviews
First thing I install on all my WP websites
Configure SMTP is a staple of setting up a useful WordPress website, I would call it “a household name” for WP installations (if there’s any such thing as household names in this area). Anyway, what a
Simple and functional way to configure SMTP settings in your WordPress
Most of my users and customers ask me: why my mails are not being sent? Why some mails sent from my site do not arrives? The problem are spam filters and things like this, so SMTP is a basic tool to o
Still works!
There are some minor warnings under php7. See here for the fix: https://wordpress.org/support/topic/warning-declaration-of-c2c_configuresmtp-with-plugin-installed/#post-9832908 Hopefully the author w
Zoho ZeptoMail Reviews
Does The Job
I’ve only been using this plugin for about a week now, but no problems so far. The pay-as-you-go credit system is awesome for small businesses like me. Hope they keep maintaining it.
Liked this improved version
Tried this plugin a year back, but there was compatibility issue hence started using FluentSMTP plugin with Zepto account setup. But this version is really improved hence migrated back. The email l
Super easy to set up, works great!
Set up in 1 min. and just works!(the domain setup in ZeptoMail itself took a little longer ,)
More Phpmailer Worth Comparing
Top alternatives in the same category as Configure SMTP and Zoho ZeptoMail
Configure a SMTP server to send email from your WordPress site. Configure the wp_mail() function to use SMTP instead of the PHP mail() function.
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Fixes WordPress emails going to spam/junk folders. The default settings often resolve the issue.
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Improve your deliverability and avoid the spam box with MailerSend’s SMTP server. Check your analytics to improve your emails for better conversion!
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.